Mathematics – Algebraic Geometry
Scientific paper
2010-09-02
C. R. Acad. Sci. Paris, Ser. I 348 (2010) 1311--1314
Mathematics
Algebraic Geometry
In Theorem~4, the Cartesian product $S = S_1 \times S_2$ is replaced with a fiber product $S = S_1 \times_{\mathcal{E}} S_2$,
Scientific paper
10.1016/j.crma.2010.11.005
In this work, we give a new method to compute the Hilbert basis of the
semigroup of certain positive divisors supported on the exceptional divisor of
a normal surface singularity. Our approach is purely combinatorial which
permits to avoid the long calculation of the invariants of the ring as it is
presented in the work of Altinok and Tosun.
Sahin Mesut
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